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NL7904309A
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Ladder shaped frame for cable trunking - has adjustable members for anchoring brackets on upright of longitudinal members with locking pins
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NL7901260A
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Trough-shaped ceiling strip - has apertures provided for passage of light from fittings mounted on rear side
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NL7806980A
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Detachable joint for ceiling grid construction - fits between intersecting channel sections with locking lugs and openings above section bottoms
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NL7605009A
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Prefabricated duct for protection of cable run - has U:shaped mounting brackets with inward slits engaging flanges of duct
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NL7603472A
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Room air conditioning ventilation fitting - has housing connected to conduit with flow and angle adjustments
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NL7602204A
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Ceiling with detachable panels - has hooks at panel corners engaging behind vertical flanges on supporting girders
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NL7601367A
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Rigid ladder type shelving for laboratory - has S-section longitudinal members which grip both sides of transverse members
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NL7600751A
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Strip section ceiling with trough shaped sections - which each have internal and external flanges fitting in beam recesses
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DE2436828A1
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ROLLED BLANKET
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NL7402387A
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Manufacturing technique for sound absorbing element - produces sandwich plate construction with glued inter-layer
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NL7402386A
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Sound proof screen - has vinyl side plates with central block of glass wool with U-channel flanged supports
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